|
Titre :
|
Aphid antixenosis mediated by volatiles in cereals
|
|
Auteurs :
|
P. Jan ;
Q. Andres ;
F. Elham
|
|
Type de document :
|
article/chapitre/communication
|
|
Année de publication :
|
1996
|
|
Format :
|
135-140
|
|
Langues:
|
= Anglais
|
|
Mots-clés:
|
aphids
;
antixenosis
;
cereals
;
induced resistance
;
mildew
;
semiochemicals
;
Substance allelochimique
;
Mecanisme de resistance
;
Choix de la plante hote
;
Rhopalosiphum padi
;
Metopolophium dirhodum
;
Sitobion avenae
;
Erysiphe graminum
;
Aphididae
;
Gramineae
|
|
Résumé :
|
Experimental results indicate the existence of an inducible system that can temporarily help cereal plants to defend themselves against cereal aphids. The induction is released by volatiles emitted when aphids attack a neighbour plant individual. Similar effects are obtained with mildew attacked plants. The system shows moderate specificity and affects the allocation of biomass in the plant.
|
|
Source :
|
Acta Agriculturae Scandinavica Section B - Soil and Plant Science - 0906-4710, vol. 46, n° 2,Acta agriculturae scandinavica, vol. 46
|
